phone drunkie

A person who spends too much time on their phone or has their head in the phone all day.

Second meaning: a person who is "drunk" over watching too much "adult films" on their phone.

Guy 1: Dude, check out this video of an elephant!

Guy 2: Ugh bro, you have been showing me so many videos on your phone, you're such a phone drunkie.

Second example;

Guy 1: I watched these hot videos on my phone all day dude, it was the best.

Guy 2: God dude, you're such a phone drunkie, just stop.